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3.8*4.4+0.44*62简便运算
人气:314 ℃ 时间:2020-04-13 18:03:34
解答
3.8x4.4+0.44x62
=3.8x4.4+4.4x6.2
=(3.8+6.2)x4.4
=10x4.4
=44
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